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Communication Dans Un Congrès Année : 2008

A simple feedback-loop for a frequency lock on a narrow atomic transition

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Résumé

In this paper we consider an atomic system with a narrow transition probed with a user- controlled electromagnetic radiation, the basis of atomic clocks. We propose a simple feedback-loop in order to lock automatically the probe frequency on the atomic transition, allowing continuous clock operation without any preparation steps. The proof of the convergence of the feedback-loop is based on averaging arguments, with approximations compatible with realistic physical parameters. Numerical simulations illustrate the robustness of the proposed feedback-loop versus measurement noise and bias.
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Dates et versions

hal-00485732 , version 1 (21-05-2010)

Identifiants

  • HAL Id : hal-00485732 , version 1

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Silvère Bonnabel, Pierre Rouchon, Guilhem Dubois. A simple feedback-loop for a frequency lock on a narrow atomic transition. 2008 IFAC World Congress, Jun 2008, Seoul, South Korea. pp.6257-6262. ⟨hal-00485732⟩
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